In desert plants, the rate of water loss is reduced due to the presence of:

Differentiate the following activities on the basis of voluntary $(V)$ or involuntary $(IV)$ muscles:
$(a)$ Jumping of a frog
$(b)$ Pumping of the heart
$(c)$ Writing with hand
$(d)$ Movement of food in your intestine

$(a)$ Why is connective tissue called so?
$(b)$ What is the function of the areolar connective tissue?
$(c)$ Which substance is present in the adipocyte? How does it help?

Write one term for the following tissues:
$(a)$ That joins muscle to bone.
$(b)$ Fat reservoir of our body.
$(c)$ Supporting,fills the space inside the organs,and helps in the repair of tissues.

Name the tissue that transmits stimuli in our body. How does this tissue enable animals to move rapidly in response to stimuli?

Which of the following does not lose their nucleus at maturity?